There are many reasons for foreign body sensation in the throat, such as chronic pharyngitis, or some tumors in the throat, including unknown diseases such as esophagus, stomach, heart, lung, liver, kidney and thyroid. For short-term pharyngeal foreign body sensation, it can be treated and observed according to pharyngitis; Long-term foreign body induction in pharynx should pay attention to exclude the diseases in the above-mentioned related parts, and then diagnose chronic pharyngitis for treatment.